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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/g++.old-deja/g++.other/vaarg3.C
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Diffstat (limited to 'gcc/testsuite/g++.old-deja/g++.other/vaarg3.C')
-rw-r--r--gcc/testsuite/g++.old-deja/g++.other/vaarg3.C32
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diff --git a/gcc/testsuite/g++.old-deja/g++.other/vaarg3.C b/gcc/testsuite/g++.old-deja/g++.other/vaarg3.C
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+++ b/gcc/testsuite/g++.old-deja/g++.other/vaarg3.C
@@ -0,0 +1,32 @@
+// { dg-do assemble }
+// { dg-options "-Wno-abi" { target arm_eabi } }
+
+// Copyright (C) 1999 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 4 Oct 1999 <nathan@acm.org>
+
+// Make sure we diagnose bad uses of va_arg
+
+#include <stdarg.h>
+
+struct X {int m;};
+struct Y { Y(const Y&); };
+struct Z; // { dg-error "forward decl" }
+void fn1(va_list args)
+{
+ int i = va_arg (args, int);
+ Y x = va_arg (args, Y); // { dg-error "cannot receive" }
+ Y y = va_arg (args, struct Y); // { dg-error "cannot receive" }
+ int &r = va_arg (args, int &); // { dg-error "cannot receive" }
+
+ Z z1 = va_arg (args, Z); // { dg-error "incomplete" }
+ const Z &z2 = va_arg (args, Z); // { dg-error "incomplete" }
+
+ va_arg (args, char); // { dg-warning "promote" }
+ // { dg-message "should pass" "pass" { target *-*-* } 24 }
+ // { dg-message "abort" "abort" { target *-*-* } 24 }
+ va_arg (args, int []); // { dg-error "array with unspecified bounds" } promote
+ va_arg (args, int ()); // { dg-warning "promoted" } promote
+ // { dg-message "abort" "abort" { target *-*-* } 28 }
+ va_arg (args, bool); // { dg-warning "promote" "promote" }
+ // { dg-message "abort" "abort" { target *-*-* } 30 }
+}